Asteroid Impacts Darken the Snow-White Vesta with Carbon-Rich Material http://bit.ly/UsSbiZ

Asteroid Impacts Darken the Snow-White Vesta with Carbon-Rich Material NASA's Dawn may have left Vesta already, but the year it spent circling the protoplanet has been fruitful, the images and data it uncovered will continue to fuel research and …

via Nerds never Sleep http://bit.ly/UsSbiZ